Home / 73,985.16-111,006.90-32,403

Finding the Fourth Proportional to 73,985.16, 111,006.90 and 32,403

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Solution

The fourth proportional to 73,985.16, 111,006.90 and 32,403 is: 48,617.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,985.16 : 111,006.90 = 32,403 : x
  2. Step 2: Convert to fraction form
    73,985.16/111,006.90 = 32,403/x
  3. Step 3: Cross multiply
    73,985.16x = 111,006.90 × 32,403
  4. Step 4: Simplify right side
    73,985.16x = 3,596,956,580.70
  5. Step 5: Solve for x
    x = 3,596,956,580.70/73,985.16
  6. Step 6: Final answer
    x = 48,617.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.